Merge remote-tracking branch 'upstream/master'

1 files changed, 40 insertions, 0 deletions

diff --git a/challenge-211/sgreen/python/ch-1.py b/challenge-211/sgreen/python/ch-1.py
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+++ b/challenge-211/sgreen/python/ch-1.py
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+#!/usr/bin/env python3
+
+import json
+import sys
+
+
+def main(matrix):
+    # Let's define some variables
+    rows = len(matrix)
+    cols = len(matrix[0])
+
+    # We always check from the top left
+    offsets = [[0, 0]]
+
+    # If the matrix isn't square, we also use an offset to hit the bottom right
+    if rows > cols:
+        offsets.append([rows-cols, 0])
+    elif rows < cols:
+        offsets.append([0, cols-rows])
+
+    # The number of checks we need to make
+    counts = min(rows, cols)
+
+    for o in offsets:
+        # Define the offsets, and the first value
+        row_offset, col_offset = o
+        value = matrix[row_offset][col_offset]
+
+        for i in range(1, counts):
+            # Compare the value until we find one that doesn't match
+            if value != matrix[row_offset+i][col_offset+i]:
+                print('false')
+                return
+
+    # Print results
+    print('true')
+
+
+if __name__ == '__main__':
+    main(json.loads(sys.argv[1]))